Andrea wrote: > I would like to open the dvb in readonly and take whatever frequency is currently tuned: > > 1) I open the frontend in read only > 2) query the current frequency to check is there is a lock > 3) I open the demux, set some filters and read from the demux. > > There is a *big* issue here: > > The card streams packets *only* and *as long* as the frontend is opened in read/write (by some other > application) and tuned. > If my application opens the frontend in readonly and there is no other application running, the > ioctl FE_GET_INFO still returns FE_HAS_LOCK but no data goes through the demux. > As soon as the frontend is tuned, the data arrives. > > Am I correct? How can I detect if the dvb is running or not? Check for open filehandles on demux device: root@iptv:~# ls -l /proc/*/fd/* | grep demux lrwx------ 1 vlc vlc 64 2008-06-14 14:02 /proc/19876/fd/6 -> /dev/dvb/adapter0/demux0 lrwx------ 1 vlc vlc 64 2008-06-14 14:02 /proc/19892/fd/6 -> /dev/dvb/adapter1/demux0 _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
